PSU advice to go with i7-13700/3080

[SwedishChef]

Hi all,

I need some help to choose an in-stock PSU to go with the below components:

Intel Core i7-13700K (Raptor Lake) Socket LGA1700 Processor - Retail £419.99
Gigabyte Z790 Aorus Elite AX DDR4 (LGA 1700) DDR4 ATX Motherboard £319.99
Corsair Vengeance LPX 64GB (2x32GB) DDR4 PC4-25600C16 3200MHz Dual Channel Kit (Black) £188.99
Phanteks Eclipse P600S Silent Midi Tower Case - Black £139.99
MSI MAG CORELIQUID P360 Performance Liquid CPU Cooler - 360mm £99.95 <-- not precious about this specific model.

To go with Nvidia 3080, various existing NVME and SSD storage.

Estimated wattage for all parts come in at 781w, and using the rule wattage * 1.5 + 100w for Nvidia 3080 spikes gets me to around 1200w. Is this overdoing it? I'm currently running the 3080 quite happily with an i5-10600k at 4.8Ghz with a Seasonic 750w PSU, so to bump to 1200w just for a 13700k seems a lot?

I chose the case as I used it on another PC, open to suggestions on the case and cooler too (not interested in RGB or tempered glass sides).

Thanks!

 

[Tetras]

What are you doing with the PC? Gaming? I'd probably just keep what you have and see how it goes. 1200 is definitely overkill, I wouldn't buy more than 1000 (like the Phanteks AMP) for that system.

 

[SwedishChef]

What are you doing with the PC? Gaming? I'd probably just keep what you have and see how it goes. 1200 is definitely overkill, I wouldn't buy more than 1000 (like the Phanteks AMP) for that system.

Hi, yes 1440p gaming. COD Warzone, DCS World, Cyberpunk 2077.

I do need to buy a PSU anyway because my son is getting the Seasonic 750w to go with some other bits for his own first gaming PC.

I was kinda hoping that you'd say 1000w is ok because that opens up more stock options and less cost!

 

[Tetras]

I was kinda hoping that you'd say 1000w is ok because that opens up more stock options and less cost!

It is, in igorslab review of the 3080 it averages around 300 and spikes up to 500. From what I've seen of the 13700K gaming, it averages about 100, max is 150. Providing it is a decent newer design PSU that is comfortable with the transients, it'll be fine. You could go with a native 12 pin PSU (one of the ATX 3.0 ones), which are supposed to be guaranteed to work, but I've seen few reviews of them and the jury is still out on whether native 12 pins are a good idea.

 

[mickyflinn]

Hi, yes 1440p gaming. COD Warzone, DCS World, Cyberpunk 2077.

I do need to buy a PSU anyway because my son is getting the Seasonic 750w to go with some other bits for his own first gaming PC.

I was kinda hoping that you'd say 1000w is ok because that opens up more stock options and less cost!

I agree with @Tetras a 1000w is enough.

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